Combination disc lock



FIG. 1 is a perspective view of a combination disc lock showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines immediately adjacent to the claimed areas in the views represent the boundaries of the design. The other broken lines illustrate the disclaimed portions of the design. None of the broken lines form part of the claimed design. 

CLAIM The ornamental design for a combination disc lock, as shown and described. 